package duiXiangshuzu;

import java.util.ArrayList;

public class demo01 {
    //ArrayList
    public static void main(String[] args) {
        Stu[] s = new Stu[3];
        s[0] = new Stu("jack",19);
        System.out.println(s[0].getName());
        //////////////////
        //好比python的列表
        ArrayList<String> ls = new ArrayList<>();
        ls.add("a");
        ls.add("b");
        ls.add("c");

    }
}
